. 2013 Mar 4;15(3):e44. doi: 10.2196/jmir.2313
©Julie M Robillard, Louise Whiteley, Thomas Wade Johnson, Jonathan Lim, Wyeth W Wasserman, Judy Illes. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 04.03.2013.
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Figure 1.
Data sample. Diagram showing the samples for questions and answers and the relationships between data sets.